/*
 * Copyright (c) 2019/2020 Binildas A Christudas, Apress Media, LLC. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistribution in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in
 *   the documentation and/or other materials provided with the
 *   distribution.
 *
 * Neither the name of the author, publisher or the names of
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
 * EXCLUDED. AUTHOR, PUBLISHER AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY
 * DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL THE AUTHOR,
 * PUBLISHER OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
 * OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
 * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
 * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE,
 * EVEN IF THE AUTHOR, PUBLISHER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 *
 * You acknowledge that Software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of
 * any nuclear facility.
 */
package com.acme.ecom.product.model;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;

import org.axonframework.commandhandling.model.AggregateIdentifier;
import org.axonframework.commandhandling.model.AggregateRoot;
import org.axonframework.spring.stereotype.Aggregate;

import com.acme.ecom.product.api.event.StockUpdatedEvent;

import  static org.axonframework.commandhandling.model.AggregateLifecycle.apply;

/**
 * @author <a href="mailto:biniljava<[@>.]yahoo.co.in">Binildas C. A.</a>
 */
@Entity
@Table(name="ECOM_PRODUCT")
public class Product{

	private static final long serialVersionUID = 1L;

	@Id
    private Integer id;

    @Column(name="PRICE")
    private Double price;

    @Column(name="STOCK")
    private Integer stock;

    @Column(name="DESCRIPTION")
    private String description;

    public Product(Integer id, Double price, Integer stock, String description){

		super();
		this.id = id;
		this.price = price;
		this.stock = stock;
		this.description = description;
	}

	public Product() {

    }

	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {

		this.id = id;
	}

	public Double getPrice() {

		return price;
	}

	public void setPrice(Double price) {

		this.price = price;
	}

	public Integer getStock() {
		return stock;
	}

	public void setStock(Integer stock) {

		this.stock = stock;
	}

	public String getDescription() {

		return description;
	}

	public void setDescription(String description) {

		this.description = description;
	}

	/**
	* Reduce stock
	* @param stock
	*/
	public void depreciateStock(int count){

		if(this.stock >= count){

			this.stock = this.stock - count;
			apply(new StockUpdatedEvent(id, stock));
		}else{
			throw new RuntimeException("Out of stock");
		}
	}

}
